. >> reporter: before the rampage ended dorner killed four people including is san bernardino sheriff's deputy on the final day. carter evans, cbs news, los angeles. >>> new details tonight on the power of that meteor that slammed into russia friday morning local time. [ sirens ] scientists say the three ton space rock had the potential to level an entire city if it had made a direct hit. cbs reporter tatiana anderson explains how much worse the damage would have been if the meteor hit a more populated area. >> reporter: people in chelyabinsk, russia are cleaning up after a meteor exploded over the region friday. the blast damaged more than 4,000 buildings. this man says his aquarium cracked and the glass on the door broke into pieces. the governor wants them all replaced within a week because this area is so cold. nasa estimates the meteor exploded with the force of at least 20 hiroshima atomic bombs. >> if this amount of energy had been detonated at ground level, instead of ten miles up, it would have probably leveled a -- every single building in an area the size of chicago. >> repor